3UA THERMAL RELAY APPLICATION: ¡¡¡¡3UA series themal relay is suitable for using in power system with AC 50Hz, rated operation voltage up to 660V and 1000V, in main ciucuit, current from 0.1A to 630A. It is used to protect AC three-phase xynchronous motor against overload and open-phase. ¡¡¡¡The relays have the test push-button for breaking NC contacts and the operating indication and free trip characteristics. The products also can be supplied with protecing case to ensure safety. The products can plug in the contactor and install independently or mount by rail. TECHNICAL SPECIFICATION:

¡¡3UA59 ¡¡¡¡¡¡3UA50,3UA52,3UA54 ¡¡3UA62,3UA66,3UA68

Type Rated operating current (A) Rated insulation voltage (V) Current setting range (A) 3UA50 12.5 660 0.1¡«0.16,0.16¡«0.25,0.25¡«0.4, 0.32¡«0.63 0.63¡«0.1,0.8¡«1.25,1¡«1.6, 1.25¡«2,1.6¡«2.5 2¡«3.2,2.5¡«4,3.2¡«5, 4¡«6.3,5¡«8,6.3¡«10,8¡«12.5 3UA52 25 660 0.1¡«0.16,0.16¡«0.25,0.25¡«0.4,0.4¡«0.63 1.63¡«1,0.8¡«1.25,1¡«1.6,1.25¡«2,1.6¡«2.5 2¡«3.2,2.5¡«4,3.2¡«5,4¡«6.3,5¡«8,6.3¡«10, 8¡«12.5,10¡«16,12.5¡«20,16¡«25 3UA54 32 660 4¡«6.3,6.3¡«10,10¡«16,12.5¡«20,16¡«25,20¡«32 3UA58 80 1000 16¡«25,20¡«32,25¡«40,32¡«50, 40¡«57,50¡«63,57¡«70,63¡«80 3UA59 63 660 0.1¡«0.16,0.16¡«0.25,0.25¡«0.4,0.4¡«0.63 1.63¡«1,0.8¡«1.25,1¡«1.6,1.25¡«2,1.6¡«2.5 2¡«3.2,2.5¡«4,3.2¡«5,4¡«6.3,5¡«8,6.3¡«10, 8¡«12.5,10¡«16,12.5¡«20,16¡«25 20¡«32,25¡«40,32¡«45,40¡«57,50¡«63 3UA62 180 660 55¡«80,63¡«90,80¡«110,90¡«120,110¡«135, 120¡«150,135¡«160,150¡«180 3UA66 400 1000 80¡«125,125¡«200,180¡«250,200¡«320,250¡«400 3UA68 630 1000 320¡«500,400¡«630